Gaya APA

Ambrosius, S. (-1967). Letters, transl.by Mary Melchior Beyenka O.P., (repr.). Copyright 1954. . Washington: CathUnivof America Press.

Gaya MLA

Ambrosius, S.. "Letters, transl.by Mary Melchior Beyenka O.P., (repr.). Copyright 1954. ". Washington: CathUnivof America Press, -1967. Buku.